/Engine/Source/Developer/BSPUtils/Public/BSPOps.h
static int32 bspAddNode ( [UModel](API\Runtime\Engine\UModel) * Model, int32 iParent, enum [ENodePlace](API\Developer\BSPUtils\FBSPOps\ENodePlace) ENodePlace, uint32 NodeFlags, [FPoly](API\Runtime\Engine\Engine\FPoly) * EdPoly )